Misha W. Vaughan, Catherine Courage, Stephanie Rosenbaum, Jhilmil Jain, Monty L. Hammontree, Russell Beale, Dan Welsh. Longitudinal usability data collection: art versus science?. In Mary Czerwinski, Arnold M. Lund, Desney S. Tan, editors, Extended Abstracts Proceedings of the 2008 Conference on Human Factors in Computing Systems, CHI 2008, Florence, Italy, April 5-10, 2008. pages 2261-2264, ACM, 2008. [doi]
Abstract is missing.